var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var favicon = require('express-favicon');

var indexRouter = require('./routes/index');
var apiRouter = require('./routes/api');

var app = express();
var config = require('./config.js');
var fs = require('fs');
var cors = require('cors');
app.use(cors());

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(favicon( path.join(config.webpackBuildPath + '/static/logo.png') ));
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(config.webpackBuildPath));


app.use('/', indexRouter);
app.use('/directory/*', indexRouter);
app.use('/model', apiRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
    if (err.ajaxMsg) {
        res.status(err.status || 500);
        res.json({
            msg: err.message || ''
        })
    } else {
        // set locals, only providing error in development
        res.locals.message = err.message;
        res.locals.error = req.app.get('env') === 'development' ? err : {};

        // render the error page
        res.status(err.status || 500);
        res.render('error');
    }
});

module.exports = app;
